SL15100 Datasheet

IC型號(hào)：
SL15100
PDF描述：
SpectraLinear Inc [Prigrammable Spread Spectrum Clock Gener...
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191.53KB
芯片廠家：
SPECTRALINEAR

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SL15100

Programmable Spread Spectrum Clock Generator (SSCG)

Key Features

Low power dissipation

- 7.7mA-typ at 66MHz and VDD=3.3V

- 6.8mA-typ at 66MHz and VDD=2.5V

Wide 2.5V to 3.3V +/-10% power supply range

Programmable outputs from 3 to 200MHz

Low Jitter

- 110ps at 66MHz

Programmable Center or Down Spread Modulation

from 0.25 to 5.0%

8 to 48 MHz external crystal range

8 to 166 MHz external clock range

Integrated internal voltage regulator

Programmable PD#/OE/SSON#/FS functions

Programmable CL at XIN and XOUT pins

Programmable output rise and fall times

Programmable modulation frequency from 30 to

120 kHz

Description

The SL15100 a programmable low power Spread

Spectrum Clock Generator (SSCG) used for reducing

Electromagnetic Interference (EMI). The product is

designed using SpectraLinear proprietary

EProClock鈩?/div>

programmable phase-locked loop (PLL) and Spread

Spectrum Clock (SSC) technology to synthesize and

modulate the input clock. The modulated clock can

significantly reduce the measured EMI levels, and leading

to the compliance with regulatory agency requirements.

The output clock frequency, Spread %, output rise and fall

times, crystal load, modulation frequency and

PD#/OE/SSON#/FS functions can be programmed to meet

the needs of wide range of applications. The SL15100

operates from 2.5V to 3.3V power supply voltage range.

The product is offered in 8-pin TSSOP package with

commercial and industrial grades.

Refer to SL15101 for up to four (4) programmable clock

outputs and SL15L100/101 Programmable SSCG products

for 1.8V power supply operation.

Applications

Printers, MFPs

Digital Copiers

NBPCs and LCD Monitors

Routers, Servers and Switchers

HDTV and DVD-R/W

Benefits

Peak EMI reduction of 8 to 16 dB

Fast time-to-market

Cost Reduction

Reduction of PCB layers

Eleminates the need for higher order crystals (Xtals)

and crystal oscillators (XOs)

Block Diagram

Rev 1.8, August 10, 2007

Page 1 of 16

2200 Laurelwood Road, Santa Clara, CA 95054 Tel: (408) 855-0555 Fax: (408) 855-0550 www.SpectraLinear.com

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